./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c082dc45380b26d7d2efa14a2b9a25a882bb361e7db7c29c901ddfabd3b29352 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:04:32,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:04:32,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:04:32,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:04:32,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:04:32,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:04:32,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:04:32,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:04:32,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:04:32,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:04:32,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:04:32,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:04:32,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:04:32,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:04:32,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:04:32,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:04:32,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:04:32,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:04:32,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:04:32,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:04:32,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:04:32,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:04:32,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:04:32,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:04:32,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:04:32,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:04:32,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:04:32,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:04:32,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:04:32,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:04:32,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:04:32,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:04:32,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:04:32,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:04:32,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:04:32,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:04:32,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:04:32,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:04:32,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:04:32,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:04:32,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:04:32,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:04:33,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:04:33,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:04:33,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:04:33,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:04:33,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:04:33,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:04:33,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:04:33,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:04:33,043 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:04:33,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:04:33,045 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:04:33,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:04:33,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:04:33,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:04:33,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:04:33,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:04:33,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:04:33,046 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:04:33,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:04:33,047 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:04:33,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:04:33,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:04:33,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:04:33,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:04:33,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:04:33,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:04:33,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:04:33,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:04:33,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:04:33,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:04:33,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:04:33,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:04:33,050 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:04:33,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:04:33,050 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c082dc45380b26d7d2efa14a2b9a25a882bb361e7db7c29c901ddfabd3b29352 [2022-11-25 18:04:33,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:04:33,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:04:33,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:04:33,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:04:33,363 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:04:33,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-25 18:04:36,741 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:04:37,127 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:04:37,128 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-25 18:04:37,153 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/data/c7c2146da/f08982a23f34464d85b7850b5dba689c/FLAGd105892f7 [2022-11-25 18:04:37,168 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/data/c7c2146da/f08982a23f34464d85b7850b5dba689c [2022-11-25 18:04:37,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:04:37,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:04:37,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:37,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:04:37,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:04:37,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:37" (1/1) ... [2022-11-25 18:04:37,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7107c31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:37, skipping insertion in model container [2022-11-25 18:04:37,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:37" (1/1) ... [2022-11-25 18:04:37,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:04:37,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:04:38,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33110,33123] [2022-11-25 18:04:38,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47435,47448] [2022-11-25 18:04:38,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54586,54599] [2022-11-25 18:04:38,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58145,58158] [2022-11-25 18:04:38,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61485,61498] [2022-11-25 18:04:38,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76732,76745] [2022-11-25 18:04:38,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83878,83891] [2022-11-25 18:04:38,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87432,87445] [2022-11-25 18:04:38,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90767,90780] [2022-11-25 18:04:38,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[94900,94913] [2022-11-25 18:04:38,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98301,98314] [2022-11-25 18:04:38,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101855,101868] [2022-11-25 18:04:38,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105190,105203] [2022-11-25 18:04:38,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[108944,108957] [2022-11-25 18:04:38,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112294,112307] [2022-11-25 18:04:38,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115829,115842] [2022-11-25 18:04:38,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:04:38,628 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:04:38,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33110,33123] [2022-11-25 18:04:38,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47435,47448] [2022-11-25 18:04:38,960 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54586,54599] [2022-11-25 18:04:38,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58145,58158] [2022-11-25 18:04:38,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61485,61498] [2022-11-25 18:04:39,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76732,76745] [2022-11-25 18:04:39,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83878,83891] [2022-11-25 18:04:39,076 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87432,87445] [2022-11-25 18:04:39,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90767,90780] [2022-11-25 18:04:39,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[94900,94913] [2022-11-25 18:04:39,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98301,98314] [2022-11-25 18:04:39,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101855,101868] [2022-11-25 18:04:39,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105190,105203] [2022-11-25 18:04:39,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[108944,108957] [2022-11-25 18:04:39,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112294,112307] [2022-11-25 18:04:39,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115829,115842] [2022-11-25 18:04:39,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:04:39,222 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:04:39,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39 WrapperNode [2022-11-25 18:04:39,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:39,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:04:39,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:04:39,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:04:39,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,389 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5403 [2022-11-25 18:04:39,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:04:39,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:04:39,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:04:39,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:04:39,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:04:39,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:04:39,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:04:39,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:04:39,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (1/1) ... [2022-11-25 18:04:39,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:04:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:04:39,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:04:39,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:04:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:04:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:04:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:04:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:04:39,982 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:04:39,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:04:43,086 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:04:43,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:04:43,114 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:04:43,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:04:43 BoogieIcfgContainer [2022-11-25 18:04:43,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:04:43,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:04:43,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:04:43,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:04:43,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:04:37" (1/3) ... [2022-11-25 18:04:43,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a123b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:04:43, skipping insertion in model container [2022-11-25 18:04:43,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:39" (2/3) ... [2022-11-25 18:04:43,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212a123b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:04:43, skipping insertion in model container [2022-11-25 18:04:43,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:04:43" (3/3) ... [2022-11-25 18:04:43,134 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-11-25 18:04:43,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:04:43,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-25 18:04:43,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:04:43,293 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25ec2c0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:04:43,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-25 18:04:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 1111 states, 1094 states have (on average 1.8272394881170018) internal successors, (1999), 1110 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 18:04:43,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:43,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:43,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:43,353 INFO L85 PathProgramCache]: Analyzing trace with hash -659325864, now seen corresponding path program 1 times [2022-11-25 18:04:43,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:43,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973190486] [2022-11-25 18:04:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:43,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:44,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:44,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973190486] [2022-11-25 18:04:44,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973190486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:44,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:44,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:04:44,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032448890] [2022-11-25 18:04:44,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:44,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:04:44,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:04:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:04:44,179 INFO L87 Difference]: Start difference. First operand has 1111 states, 1094 states have (on average 1.8272394881170018) internal successors, (1999), 1110 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:45,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:45,404 INFO L93 Difference]: Finished difference Result 1449 states and 2552 transitions. [2022-11-25 18:04:45,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:04:45,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-11-25 18:04:45,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:45,435 INFO L225 Difference]: With dead ends: 1449 [2022-11-25 18:04:45,436 INFO L226 Difference]: Without dead ends: 871 [2022-11-25 18:04:45,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:04:45,452 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 4511 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4511 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:45,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4511 Valid, 857 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:04:45,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-11-25 18:04:45,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2022-11-25 18:04:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 855 states have (on average 1.3192982456140352) internal successors, (1128), 870 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1128 transitions. [2022-11-25 18:04:45,622 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1128 transitions. Word has length 72 [2022-11-25 18:04:45,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:45,623 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1128 transitions. [2022-11-25 18:04:45,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1128 transitions. [2022-11-25 18:04:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 18:04:45,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:45,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:45,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:04:45,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash -954340830, now seen corresponding path program 1 times [2022-11-25 18:04:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:45,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352163307] [2022-11-25 18:04:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:45,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:45,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352163307] [2022-11-25 18:04:45,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352163307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:45,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:45,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:04:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107845589] [2022-11-25 18:04:45,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:45,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:04:45,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:45,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:04:45,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:04:45,886 INFO L87 Difference]: Start difference. First operand 871 states and 1128 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:46,793 INFO L93 Difference]: Finished difference Result 1240 states and 1621 transitions. [2022-11-25 18:04:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:04:46,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-11-25 18:04:46,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:46,797 INFO L225 Difference]: With dead ends: 1240 [2022-11-25 18:04:46,797 INFO L226 Difference]: Without dead ends: 807 [2022-11-25 18:04:46,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:04:46,799 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 3063 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:46,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 491 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:04:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2022-11-25 18:04:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2022-11-25 18:04:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 791 states have (on average 1.3337547408343868) internal successors, (1055), 806 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1055 transitions. [2022-11-25 18:04:46,846 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1055 transitions. Word has length 72 [2022-11-25 18:04:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:46,847 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1055 transitions. [2022-11-25 18:04:46,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1055 transitions. [2022-11-25 18:04:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 18:04:46,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:46,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:46,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:04:46,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:46,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:46,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1430025351, now seen corresponding path program 1 times [2022-11-25 18:04:46,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:46,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464863812] [2022-11-25 18:04:46,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:46,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:47,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:47,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464863812] [2022-11-25 18:04:47,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464863812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:47,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:47,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:04:47,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931442755] [2022-11-25 18:04:47,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:47,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:04:47,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:47,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:04:47,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:04:47,051 INFO L87 Difference]: Start difference. First operand 807 states and 1055 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:47,605 INFO L93 Difference]: Finished difference Result 944 states and 1219 transitions. [2022-11-25 18:04:47,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:04:47,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-11-25 18:04:47,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:47,609 INFO L225 Difference]: With dead ends: 944 [2022-11-25 18:04:47,609 INFO L226 Difference]: Without dead ends: 539 [2022-11-25 18:04:47,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:04:47,611 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 2011 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:47,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 373 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:04:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-11-25 18:04:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2022-11-25 18:04:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 523 states have (on average 1.3346080305927341) internal successors, (698), 538 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 698 transitions. [2022-11-25 18:04:47,653 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 698 transitions. Word has length 72 [2022-11-25 18:04:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:47,654 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 698 transitions. [2022-11-25 18:04:47,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 698 transitions. [2022-11-25 18:04:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-25 18:04:47,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:47,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:47,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:04:47,660 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:47,661 INFO L85 PathProgramCache]: Analyzing trace with hash 463143434, now seen corresponding path program 1 times [2022-11-25 18:04:47,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:47,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914033573] [2022-11-25 18:04:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:47,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:47,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914033573] [2022-11-25 18:04:47,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914033573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:47,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:47,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:04:47,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718334152] [2022-11-25 18:04:47,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:47,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:04:47,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:47,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:04:47,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:04:47,888 INFO L87 Difference]: Start difference. First operand 539 states and 698 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:48,347 INFO L93 Difference]: Finished difference Result 748 states and 969 transitions. [2022-11-25 18:04:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:04:48,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-25 18:04:48,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:48,349 INFO L225 Difference]: With dead ends: 748 [2022-11-25 18:04:48,350 INFO L226 Difference]: Without dead ends: 460 [2022-11-25 18:04:48,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:04:48,351 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1735 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:48,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 330 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:04:48,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-25 18:04:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-11-25 18:04:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 444 states have (on average 1.3468468468468469) internal successors, (598), 459 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 598 transitions. [2022-11-25 18:04:48,382 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 598 transitions. Word has length 73 [2022-11-25 18:04:48,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:48,382 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 598 transitions. [2022-11-25 18:04:48,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 598 transitions. [2022-11-25 18:04:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 18:04:48,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:48,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:48,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:04:48,385 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:48,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:48,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2053820617, now seen corresponding path program 1 times [2022-11-25 18:04:48,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:48,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871229212] [2022-11-25 18:04:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:48,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:48,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871229212] [2022-11-25 18:04:48,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871229212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:48,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:48,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:04:48,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901517741] [2022-11-25 18:04:48,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:48,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:04:48,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:48,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:04:48,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:04:48,533 INFO L87 Difference]: Start difference. First operand 460 states and 598 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:48,877 INFO L93 Difference]: Finished difference Result 637 states and 824 transitions. [2022-11-25 18:04:48,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:04:48,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-11-25 18:04:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:48,881 INFO L225 Difference]: With dead ends: 637 [2022-11-25 18:04:48,881 INFO L226 Difference]: Without dead ends: 390 [2022-11-25 18:04:48,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:04:48,884 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1445 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:48,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 303 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:04:48,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-11-25 18:04:48,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2022-11-25 18:04:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3502673796791445) internal successors, (505), 389 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 505 transitions. [2022-11-25 18:04:48,913 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 505 transitions. Word has length 74 [2022-11-25 18:04:48,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:48,914 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 505 transitions. [2022-11-25 18:04:48,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 505 transitions. [2022-11-25 18:04:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 18:04:48,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:48,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:48,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:04:48,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:48,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:48,917 INFO L85 PathProgramCache]: Analyzing trace with hash 892076084, now seen corresponding path program 1 times [2022-11-25 18:04:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:48,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352897400] [2022-11-25 18:04:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:49,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:49,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352897400] [2022-11-25 18:04:49,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352897400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:49,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:49,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:04:49,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610083796] [2022-11-25 18:04:49,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:49,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:04:49,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:49,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:04:49,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:04:49,418 INFO L87 Difference]: Start difference. First operand 390 states and 505 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:50,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:50,372 INFO L93 Difference]: Finished difference Result 754 states and 962 transitions. [2022-11-25 18:04:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:04:50,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-11-25 18:04:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:50,375 INFO L225 Difference]: With dead ends: 754 [2022-11-25 18:04:50,376 INFO L226 Difference]: Without dead ends: 542 [2022-11-25 18:04:50,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:04:50,378 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 2676 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:50,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 918 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:04:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-11-25 18:04:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 390. [2022-11-25 18:04:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3475935828877006) internal successors, (504), 389 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 504 transitions. [2022-11-25 18:04:50,446 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 504 transitions. Word has length 75 [2022-11-25 18:04:50,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:50,447 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 504 transitions. [2022-11-25 18:04:50,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 504 transitions. [2022-11-25 18:04:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 18:04:50,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:50,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:50,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:04:50,450 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:50,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1107897332, now seen corresponding path program 1 times [2022-11-25 18:04:50,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:50,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821018767] [2022-11-25 18:04:50,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:50,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:50,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:50,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821018767] [2022-11-25 18:04:50,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821018767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:50,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:50,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:04:50,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158906247] [2022-11-25 18:04:50,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:50,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:04:50,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:50,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:04:50,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:04:50,831 INFO L87 Difference]: Start difference. First operand 390 states and 504 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:51,859 INFO L93 Difference]: Finished difference Result 712 states and 935 transitions. [2022-11-25 18:04:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:04:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-11-25 18:04:51,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:51,862 INFO L225 Difference]: With dead ends: 712 [2022-11-25 18:04:51,863 INFO L226 Difference]: Without dead ends: 707 [2022-11-25 18:04:51,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:04:51,864 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 2246 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:51,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 1374 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:04:51,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-25 18:04:51,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 390. [2022-11-25 18:04:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3449197860962567) internal successors, (503), 389 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 503 transitions. [2022-11-25 18:04:51,917 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 503 transitions. Word has length 75 [2022-11-25 18:04:51,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:51,917 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 503 transitions. [2022-11-25 18:04:51,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:51,918 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 503 transitions. [2022-11-25 18:04:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 18:04:51,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:51,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:51,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:04:51,920 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:51,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1055548212, now seen corresponding path program 1 times [2022-11-25 18:04:51,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:51,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883910414] [2022-11-25 18:04:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:52,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:52,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883910414] [2022-11-25 18:04:52,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883910414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:52,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:52,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:04:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61897053] [2022-11-25 18:04:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:52,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:04:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:04:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:04:52,392 INFO L87 Difference]: Start difference. First operand 390 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:53,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:53,981 INFO L93 Difference]: Finished difference Result 863 states and 1158 transitions. [2022-11-25 18:04:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:04:53,981 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-11-25 18:04:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:53,985 INFO L225 Difference]: With dead ends: 863 [2022-11-25 18:04:53,985 INFO L226 Difference]: Without dead ends: 735 [2022-11-25 18:04:53,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:04:53,988 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 2673 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 2300 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:53,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 2300 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 18:04:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2022-11-25 18:04:54,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 390. [2022-11-25 18:04:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3422459893048129) internal successors, (502), 389 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 502 transitions. [2022-11-25 18:04:54,054 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 502 transitions. Word has length 75 [2022-11-25 18:04:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:54,055 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 502 transitions. [2022-11-25 18:04:54,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 502 transitions. [2022-11-25 18:04:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:04:54,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:54,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:54,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:04:54,059 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:54,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:54,060 INFO L85 PathProgramCache]: Analyzing trace with hash -101200913, now seen corresponding path program 1 times [2022-11-25 18:04:54,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:54,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440066473] [2022-11-25 18:04:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:54,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:54,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440066473] [2022-11-25 18:04:54,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440066473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:54,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:54,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:04:54,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979652510] [2022-11-25 18:04:54,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:54,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:04:54,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:54,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:04:54,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:04:54,494 INFO L87 Difference]: Start difference. First operand 390 states and 502 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:55,746 INFO L93 Difference]: Finished difference Result 829 states and 1109 transitions. [2022-11-25 18:04:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:04:55,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:04:55,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:55,752 INFO L225 Difference]: With dead ends: 829 [2022-11-25 18:04:55,753 INFO L226 Difference]: Without dead ends: 731 [2022-11-25 18:04:55,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:04:55,756 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 2872 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:55,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 1624 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:04:55,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-11-25 18:04:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 390. [2022-11-25 18:04:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.339572192513369) internal successors, (501), 389 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 501 transitions. [2022-11-25 18:04:55,849 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 501 transitions. Word has length 77 [2022-11-25 18:04:55,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:55,849 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 501 transitions. [2022-11-25 18:04:55,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 501 transitions. [2022-11-25 18:04:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:04:55,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:55,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:55,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:04:55,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:55,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 798728465, now seen corresponding path program 1 times [2022-11-25 18:04:55,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:55,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130999373] [2022-11-25 18:04:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:56,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:56,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130999373] [2022-11-25 18:04:56,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130999373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:56,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:56,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:04:56,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614942646] [2022-11-25 18:04:56,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:56,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:04:56,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:56,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:04:56,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:04:56,296 INFO L87 Difference]: Start difference. First operand 390 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:57,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:04:57,801 INFO L93 Difference]: Finished difference Result 799 states and 1064 transitions. [2022-11-25 18:04:57,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:04:57,802 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:04:57,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:04:57,805 INFO L225 Difference]: With dead ends: 799 [2022-11-25 18:04:57,805 INFO L226 Difference]: Without dead ends: 723 [2022-11-25 18:04:57,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:04:57,806 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 1986 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:04:57,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1962 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1432 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 18:04:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-11-25 18:04:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 390. [2022-11-25 18:04:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3368983957219251) internal successors, (500), 389 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2022-11-25 18:04:57,897 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 77 [2022-11-25 18:04:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:04:57,897 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2022-11-25 18:04:57,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:04:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2022-11-25 18:04:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:04:57,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:04:57,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:04:57,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:04:57,902 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:04:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:04:57,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1612110043, now seen corresponding path program 1 times [2022-11-25 18:04:57,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:04:57,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625585355] [2022-11-25 18:04:57,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:04:57,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:04:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:04:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:04:58,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:04:58,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625585355] [2022-11-25 18:04:58,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625585355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:04:58,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:04:58,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 18:04:58,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932986886] [2022-11-25 18:04:58,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:04:58,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:04:58,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:04:58,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:04:58,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:04:58,505 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:01,052 INFO L93 Difference]: Finished difference Result 1026 states and 1382 transitions. [2022-11-25 18:05:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:05:01,053 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:01,056 INFO L225 Difference]: With dead ends: 1026 [2022-11-25 18:05:01,056 INFO L226 Difference]: Without dead ends: 883 [2022-11-25 18:05:01,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=216, Invalid=596, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:05:01,059 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 2336 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 2431 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:01,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 3135 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2431 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 18:05:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-11-25 18:05:01,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 390. [2022-11-25 18:05:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3342245989304813) internal successors, (499), 389 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 499 transitions. [2022-11-25 18:05:01,167 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 499 transitions. Word has length 77 [2022-11-25 18:05:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:01,168 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 499 transitions. [2022-11-25 18:05:01,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 499 transitions. [2022-11-25 18:05:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:05:01,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:01,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:01,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:05:01,173 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:01,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1927792199, now seen corresponding path program 1 times [2022-11-25 18:05:01,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:01,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813103807] [2022-11-25 18:05:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:01,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:01,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:01,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813103807] [2022-11-25 18:05:01,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813103807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:01,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:01,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:05:01,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856938569] [2022-11-25 18:05:01,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:01,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:01,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:01,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:01,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:01,766 INFO L87 Difference]: Start difference. First operand 390 states and 499 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:04,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:04,943 INFO L93 Difference]: Finished difference Result 1347 states and 1862 transitions. [2022-11-25 18:05:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:05:04,944 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:04,948 INFO L225 Difference]: With dead ends: 1347 [2022-11-25 18:05:04,948 INFO L226 Difference]: Without dead ends: 1249 [2022-11-25 18:05:04,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:05:04,950 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 5037 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5037 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:04,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5037 Valid, 2788 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 18:05:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-11-25 18:05:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 394. [2022-11-25 18:05:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3306878306878307) internal successors, (503), 393 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 503 transitions. [2022-11-25 18:05:05,054 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 503 transitions. Word has length 77 [2022-11-25 18:05:05,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:05,055 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 503 transitions. [2022-11-25 18:05:05,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 11 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 503 transitions. [2022-11-25 18:05:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:05:05,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:05,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:05,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:05:05,057 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:05,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1181439000, now seen corresponding path program 1 times [2022-11-25 18:05:05,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:05,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770893186] [2022-11-25 18:05:05,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:05,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:05,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:05,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770893186] [2022-11-25 18:05:05,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770893186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:05,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:05,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:05,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926396899] [2022-11-25 18:05:05,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:05,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:05,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:05,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:05,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:05,405 INFO L87 Difference]: Start difference. First operand 394 states and 503 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:06,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:06,844 INFO L93 Difference]: Finished difference Result 803 states and 1067 transitions. [2022-11-25 18:05:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:06,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:06,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:06,848 INFO L225 Difference]: With dead ends: 803 [2022-11-25 18:05:06,848 INFO L226 Difference]: Without dead ends: 727 [2022-11-25 18:05:06,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:05:06,849 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 2904 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:06,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 1521 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-11-25 18:05:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 394. [2022-11-25 18:05:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3280423280423281) internal successors, (502), 393 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 502 transitions. [2022-11-25 18:05:06,950 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 502 transitions. Word has length 77 [2022-11-25 18:05:06,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:06,951 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 502 transitions. [2022-11-25 18:05:06,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 502 transitions. [2022-11-25 18:05:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:05:06,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:06,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:06,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:05:06,953 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:06,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:06,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1913205315, now seen corresponding path program 1 times [2022-11-25 18:05:06,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:06,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685351877] [2022-11-25 18:05:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:07,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:07,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685351877] [2022-11-25 18:05:07,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685351877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:07,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:07,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:07,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950197257] [2022-11-25 18:05:07,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:07,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:07,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:07,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:07,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:07,342 INFO L87 Difference]: Start difference. First operand 394 states and 502 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:08,721 INFO L93 Difference]: Finished difference Result 799 states and 1062 transitions. [2022-11-25 18:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:08,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:08,724 INFO L225 Difference]: With dead ends: 799 [2022-11-25 18:05:08,725 INFO L226 Difference]: Without dead ends: 727 [2022-11-25 18:05:08,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:05:08,726 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 2948 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:08,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 1490 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:08,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-11-25 18:05:08,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 394. [2022-11-25 18:05:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3253968253968254) internal successors, (501), 393 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 501 transitions. [2022-11-25 18:05:08,826 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 501 transitions. Word has length 77 [2022-11-25 18:05:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:08,827 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 501 transitions. [2022-11-25 18:05:08,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 501 transitions. [2022-11-25 18:05:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:05:08,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:08,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:08,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 18:05:08,829 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1712553496, now seen corresponding path program 1 times [2022-11-25 18:05:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:08,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972098929] [2022-11-25 18:05:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:09,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:09,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972098929] [2022-11-25 18:05:09,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972098929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:09,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:09,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:09,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300367649] [2022-11-25 18:05:09,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:09,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:09,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:09,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:09,115 INFO L87 Difference]: Start difference. First operand 394 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:10,333 INFO L93 Difference]: Finished difference Result 777 states and 1024 transitions. [2022-11-25 18:05:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:10,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:10,337 INFO L225 Difference]: With dead ends: 777 [2022-11-25 18:05:10,337 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:10,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:10,338 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1487 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:10,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1468 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:05:10,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3227513227513228) internal successors, (500), 393 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 500 transitions. [2022-11-25 18:05:10,419 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 500 transitions. Word has length 77 [2022-11-25 18:05:10,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:10,419 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 500 transitions. [2022-11-25 18:05:10,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 500 transitions. [2022-11-25 18:05:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 18:05:10,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:10,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:10,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 18:05:10,421 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:10,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:10,422 INFO L85 PathProgramCache]: Analyzing trace with hash 414494927, now seen corresponding path program 1 times [2022-11-25 18:05:10,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:10,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229657095] [2022-11-25 18:05:10,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:10,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:10,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:10,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229657095] [2022-11-25 18:05:10,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229657095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:10,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:10,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:10,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953060042] [2022-11-25 18:05:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:10,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:10,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:10,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:10,747 INFO L87 Difference]: Start difference. First operand 394 states and 500 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:12,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:12,244 INFO L93 Difference]: Finished difference Result 820 states and 1092 transitions. [2022-11-25 18:05:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:12,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-25 18:05:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:12,248 INFO L225 Difference]: With dead ends: 820 [2022-11-25 18:05:12,248 INFO L226 Difference]: Without dead ends: 731 [2022-11-25 18:05:12,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:05:12,250 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 2717 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:12,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 1738 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-11-25 18:05:12,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 394. [2022-11-25 18:05:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.32010582010582) internal successors, (499), 393 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 499 transitions. [2022-11-25 18:05:12,338 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 499 transitions. Word has length 77 [2022-11-25 18:05:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:12,338 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 499 transitions. [2022-11-25 18:05:12,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2022-11-25 18:05:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-25 18:05:12,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:12,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:12,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:05:12,340 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash -464299805, now seen corresponding path program 1 times [2022-11-25 18:05:12,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:12,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751631731] [2022-11-25 18:05:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:12,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:12,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751631731] [2022-11-25 18:05:12,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751631731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:12,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:12,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:12,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363021847] [2022-11-25 18:05:12,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:12,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:12,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:12,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:12,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:12,610 INFO L87 Difference]: Start difference. First operand 394 states and 499 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:13,834 INFO L93 Difference]: Finished difference Result 780 states and 1025 transitions. [2022-11-25 18:05:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-11-25 18:05:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:13,837 INFO L225 Difference]: With dead ends: 780 [2022-11-25 18:05:13,838 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:13,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:13,839 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1484 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:13,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 1464 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:13,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:13,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3174603174603174) internal successors, (498), 393 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 498 transitions. [2022-11-25 18:05:13,927 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 498 transitions. Word has length 78 [2022-11-25 18:05:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:13,927 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 498 transitions. [2022-11-25 18:05:13,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 498 transitions. [2022-11-25 18:05:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-25 18:05:13,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:13,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:13,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:05:13,930 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1048519876, now seen corresponding path program 1 times [2022-11-25 18:05:13,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:13,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122068801] [2022-11-25 18:05:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:14,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:14,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122068801] [2022-11-25 18:05:14,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122068801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:14,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:14,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:14,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643444848] [2022-11-25 18:05:14,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:14,187 INFO L87 Difference]: Start difference. First operand 394 states and 498 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:15,692 INFO L93 Difference]: Finished difference Result 829 states and 1099 transitions. [2022-11-25 18:05:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:15,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-11-25 18:05:15,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:15,695 INFO L225 Difference]: With dead ends: 829 [2022-11-25 18:05:15,695 INFO L226 Difference]: Without dead ends: 731 [2022-11-25 18:05:15,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:15,697 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 2228 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:15,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 2104 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 18:05:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-11-25 18:05:15,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 390. [2022-11-25 18:05:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3181818181818181) internal successors, (493), 389 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 493 transitions. [2022-11-25 18:05:15,803 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 493 transitions. Word has length 78 [2022-11-25 18:05:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:15,804 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 493 transitions. [2022-11-25 18:05:15,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 493 transitions. [2022-11-25 18:05:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:15,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:15,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:15,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 18:05:15,806 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash -738667670, now seen corresponding path program 1 times [2022-11-25 18:05:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:15,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471900683] [2022-11-25 18:05:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:16,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:16,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471900683] [2022-11-25 18:05:16,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471900683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:16,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:16,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237387617] [2022-11-25 18:05:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:16,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:16,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:16,087 INFO L87 Difference]: Start difference. First operand 390 states and 493 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:17,446 INFO L93 Difference]: Finished difference Result 804 states and 1059 transitions. [2022-11-25 18:05:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:17,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:17,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:17,450 INFO L225 Difference]: With dead ends: 804 [2022-11-25 18:05:17,450 INFO L226 Difference]: Without dead ends: 723 [2022-11-25 18:05:17,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:17,451 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 2124 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:17,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 2010 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-11-25 18:05:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 390. [2022-11-25 18:05:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3155080213903743) internal successors, (492), 389 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 492 transitions. [2022-11-25 18:05:17,553 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 492 transitions. Word has length 79 [2022-11-25 18:05:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:17,553 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 492 transitions. [2022-11-25 18:05:17,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 492 transitions. [2022-11-25 18:05:17,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:17,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:17,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:17,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 18:05:17,555 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 749865809, now seen corresponding path program 1 times [2022-11-25 18:05:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:17,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016229581] [2022-11-25 18:05:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:17,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:17,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016229581] [2022-11-25 18:05:17,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016229581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:17,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:17,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:17,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070120023] [2022-11-25 18:05:17,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:17,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:17,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:17,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:17,922 INFO L87 Difference]: Start difference. First operand 390 states and 492 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:19,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:19,395 INFO L93 Difference]: Finished difference Result 776 states and 1018 transitions. [2022-11-25 18:05:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:19,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:19,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:19,399 INFO L225 Difference]: With dead ends: 776 [2022-11-25 18:05:19,399 INFO L226 Difference]: Without dead ends: 707 [2022-11-25 18:05:19,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:19,400 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 2403 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:19,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 1922 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-25 18:05:19,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 390. [2022-11-25 18:05:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 374 states have (on average 1.3128342245989304) internal successors, (491), 389 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:19,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 491 transitions. [2022-11-25 18:05:19,532 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 491 transitions. Word has length 79 [2022-11-25 18:05:19,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:19,532 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 491 transitions. [2022-11-25 18:05:19,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 491 transitions. [2022-11-25 18:05:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:19,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:19,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:19,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:05:19,535 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:19,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:19,535 INFO L85 PathProgramCache]: Analyzing trace with hash 261207811, now seen corresponding path program 1 times [2022-11-25 18:05:19,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:19,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406536529] [2022-11-25 18:05:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:19,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:20,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:20,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406536529] [2022-11-25 18:05:20,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406536529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:20,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:20,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:05:20,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758118089] [2022-11-25 18:05:20,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:20,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:20,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:20,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:20,087 INFO L87 Difference]: Start difference. First operand 390 states and 491 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:23,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:23,382 INFO L93 Difference]: Finished difference Result 1359 states and 1859 transitions. [2022-11-25 18:05:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:05:23,383 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:23,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:23,387 INFO L225 Difference]: With dead ends: 1359 [2022-11-25 18:05:23,388 INFO L226 Difference]: Without dead ends: 1255 [2022-11-25 18:05:23,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:05:23,389 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 3677 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:23,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 3074 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 18:05:23,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-11-25 18:05:23,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 394. [2022-11-25 18:05:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3095238095238095) internal successors, (495), 393 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 495 transitions. [2022-11-25 18:05:23,507 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 495 transitions. Word has length 79 [2022-11-25 18:05:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:23,507 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 495 transitions. [2022-11-25 18:05:23,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 495 transitions. [2022-11-25 18:05:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:23,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:23,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:23,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 18:05:23,509 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:23,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1928072588, now seen corresponding path program 1 times [2022-11-25 18:05:23,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:23,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746603176] [2022-11-25 18:05:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:23,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:23,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746603176] [2022-11-25 18:05:23,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746603176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:23,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:23,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:23,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353097549] [2022-11-25 18:05:23,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:23,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:23,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:23,781 INFO L87 Difference]: Start difference. First operand 394 states and 495 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:25,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:25,170 INFO L93 Difference]: Finished difference Result 744 states and 965 transitions. [2022-11-25 18:05:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:25,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:25,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:25,176 INFO L225 Difference]: With dead ends: 744 [2022-11-25 18:05:25,176 INFO L226 Difference]: Without dead ends: 727 [2022-11-25 18:05:25,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:25,177 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 2231 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:25,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 1836 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:25,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-11-25 18:05:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 394. [2022-11-25 18:05:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.306878306878307) internal successors, (494), 393 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 494 transitions. [2022-11-25 18:05:25,284 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 494 transitions. Word has length 79 [2022-11-25 18:05:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:25,284 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 494 transitions. [2022-11-25 18:05:25,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 494 transitions. [2022-11-25 18:05:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:25,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:25,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:25,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 18:05:25,286 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:25,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:25,286 INFO L85 PathProgramCache]: Analyzing trace with hash -439539109, now seen corresponding path program 1 times [2022-11-25 18:05:25,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:25,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755899369] [2022-11-25 18:05:25,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:25,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:25,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:25,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755899369] [2022-11-25 18:05:25,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755899369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:25,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:25,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:25,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472718927] [2022-11-25 18:05:25,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:25,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:25,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:25,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:25,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:25,586 INFO L87 Difference]: Start difference. First operand 394 states and 494 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:27,085 INFO L93 Difference]: Finished difference Result 716 states and 924 transitions. [2022-11-25 18:05:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:27,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:27,088 INFO L225 Difference]: With dead ends: 716 [2022-11-25 18:05:27,088 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:27,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:27,089 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2374 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:27,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 1971 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:27,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3042328042328042) internal successors, (493), 393 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 493 transitions. [2022-11-25 18:05:27,206 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 493 transitions. Word has length 79 [2022-11-25 18:05:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:27,206 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 493 transitions. [2022-11-25 18:05:27,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 493 transitions. [2022-11-25 18:05:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:27,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:27,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:27,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 18:05:27,208 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:27,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash -845454890, now seen corresponding path program 1 times [2022-11-25 18:05:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:27,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842344123] [2022-11-25 18:05:27,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:27,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:27,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842344123] [2022-11-25 18:05:27,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842344123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:27,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:27,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:27,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136297931] [2022-11-25 18:05:27,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:27,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:27,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:27,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:27,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:27,495 INFO L87 Difference]: Start difference. First operand 394 states and 493 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:28,864 INFO L93 Difference]: Finished difference Result 716 states and 923 transitions. [2022-11-25 18:05:28,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:28,865 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:28,869 INFO L225 Difference]: With dead ends: 716 [2022-11-25 18:05:28,869 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:28,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:28,870 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 2541 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:28,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 1708 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.3015873015873016) internal successors, (492), 393 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 492 transitions. [2022-11-25 18:05:28,996 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 492 transitions. Word has length 79 [2022-11-25 18:05:28,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:28,996 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 492 transitions. [2022-11-25 18:05:28,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 492 transitions. [2022-11-25 18:05:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:28,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:28,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:28,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 18:05:28,998 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:28,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash 88191580, now seen corresponding path program 1 times [2022-11-25 18:05:28,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:28,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401582337] [2022-11-25 18:05:28,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:29,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:29,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:29,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401582337] [2022-11-25 18:05:29,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401582337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:29,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:29,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:29,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213678422] [2022-11-25 18:05:29,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:29,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:29,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:29,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:29,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:29,359 INFO L87 Difference]: Start difference. First operand 394 states and 492 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:30,849 INFO L93 Difference]: Finished difference Result 777 states and 1014 transitions. [2022-11-25 18:05:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:30,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:30,853 INFO L225 Difference]: With dead ends: 777 [2022-11-25 18:05:30,854 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:30,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:30,855 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 2364 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:30,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 1974 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.2989417989417988) internal successors, (491), 393 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 491 transitions. [2022-11-25 18:05:30,955 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 491 transitions. Word has length 79 [2022-11-25 18:05:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:30,955 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 491 transitions. [2022-11-25 18:05:30,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 491 transitions. [2022-11-25 18:05:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:30,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:30,957 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:30,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 18:05:30,957 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:30,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash -274145819, now seen corresponding path program 1 times [2022-11-25 18:05:30,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:30,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138300396] [2022-11-25 18:05:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:30,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:31,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:31,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138300396] [2022-11-25 18:05:31,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138300396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:31,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:31,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:31,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042299846] [2022-11-25 18:05:31,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:31,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:31,226 INFO L87 Difference]: Start difference. First operand 394 states and 491 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:32,660 INFO L93 Difference]: Finished difference Result 808 states and 1055 transitions. [2022-11-25 18:05:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:32,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:32,664 INFO L225 Difference]: With dead ends: 808 [2022-11-25 18:05:32,664 INFO L226 Difference]: Without dead ends: 727 [2022-11-25 18:05:32,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:32,666 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 1777 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:32,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 2047 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:32,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2022-11-25 18:05:32,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 394. [2022-11-25 18:05:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.2962962962962963) internal successors, (490), 393 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 490 transitions. [2022-11-25 18:05:32,781 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 490 transitions. Word has length 79 [2022-11-25 18:05:32,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:32,781 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 490 transitions. [2022-11-25 18:05:32,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 490 transitions. [2022-11-25 18:05:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:32,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:32,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:32,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 18:05:32,783 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:32,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1678498669, now seen corresponding path program 1 times [2022-11-25 18:05:32,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:32,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623380806] [2022-11-25 18:05:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:32,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:33,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:33,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623380806] [2022-11-25 18:05:33,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623380806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:33,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:33,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:05:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119690919] [2022-11-25 18:05:33,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:33,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:33,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:33,247 INFO L87 Difference]: Start difference. First operand 394 states and 490 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:36,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:36,011 INFO L93 Difference]: Finished difference Result 1109 states and 1492 transitions. [2022-11-25 18:05:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:05:36,012 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:36,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:36,015 INFO L225 Difference]: With dead ends: 1109 [2022-11-25 18:05:36,015 INFO L226 Difference]: Without dead ends: 1040 [2022-11-25 18:05:36,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:05:36,016 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 4957 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4957 SdHoareTripleChecker+Valid, 2315 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:36,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4957 Valid, 2315 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 18:05:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2022-11-25 18:05:36,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 398. [2022-11-25 18:05:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.293193717277487) internal successors, (494), 397 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 494 transitions. [2022-11-25 18:05:36,164 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 494 transitions. Word has length 79 [2022-11-25 18:05:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:36,164 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 494 transitions. [2022-11-25 18:05:36,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 494 transitions. [2022-11-25 18:05:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:36,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:36,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:36,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 18:05:36,168 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:36,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:36,168 INFO L85 PathProgramCache]: Analyzing trace with hash 861543357, now seen corresponding path program 1 times [2022-11-25 18:05:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:36,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993010085] [2022-11-25 18:05:36,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:36,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:36,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:36,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993010085] [2022-11-25 18:05:36,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993010085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:36,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:36,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:36,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611403419] [2022-11-25 18:05:36,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:36,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:36,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:36,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:36,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:36,511 INFO L87 Difference]: Start difference. First operand 398 states and 494 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:38,098 INFO L93 Difference]: Finished difference Result 777 states and 1011 transitions. [2022-11-25 18:05:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:38,102 INFO L225 Difference]: With dead ends: 777 [2022-11-25 18:05:38,102 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:38,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:38,103 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 2340 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:38,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 2006 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 398. [2022-11-25 18:05:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.2905759162303665) internal successors, (493), 397 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 493 transitions. [2022-11-25 18:05:38,247 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 493 transitions. Word has length 79 [2022-11-25 18:05:38,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:38,248 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 493 transitions. [2022-11-25 18:05:38,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 493 transitions. [2022-11-25 18:05:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:38,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:38,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:38,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 18:05:38,250 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:38,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:38,250 INFO L85 PathProgramCache]: Analyzing trace with hash 556086602, now seen corresponding path program 1 times [2022-11-25 18:05:38,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:38,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019902076] [2022-11-25 18:05:38,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:38,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:38,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:38,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019902076] [2022-11-25 18:05:38,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019902076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:38,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:38,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:05:38,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763704735] [2022-11-25 18:05:38,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:38,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:38,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:38,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:38,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:38,764 INFO L87 Difference]: Start difference. First operand 398 states and 493 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:41,787 INFO L93 Difference]: Finished difference Result 1223 states and 1655 transitions. [2022-11-25 18:05:41,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:05:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:41,791 INFO L225 Difference]: With dead ends: 1223 [2022-11-25 18:05:41,791 INFO L226 Difference]: Without dead ends: 1147 [2022-11-25 18:05:41,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:05:41,793 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 4202 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 1976 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 2575 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:41,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 2575 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1976 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 18:05:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-11-25 18:05:41,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 402. [2022-11-25 18:05:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 1.2875647668393781) internal successors, (497), 401 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 497 transitions. [2022-11-25 18:05:41,949 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 497 transitions. Word has length 79 [2022-11-25 18:05:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:41,949 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 497 transitions. [2022-11-25 18:05:41,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 497 transitions. [2022-11-25 18:05:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:05:41,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:41,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:41,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 18:05:41,951 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash -403243016, now seen corresponding path program 1 times [2022-11-25 18:05:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:41,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486257492] [2022-11-25 18:05:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:42,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:42,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486257492] [2022-11-25 18:05:42,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486257492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:42,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:42,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:05:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919635164] [2022-11-25 18:05:42,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:42,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:42,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:42,432 INFO L87 Difference]: Start difference. First operand 402 states and 497 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:45,396 INFO L93 Difference]: Finished difference Result 1107 states and 1488 transitions. [2022-11-25 18:05:45,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-25 18:05:45,397 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-11-25 18:05:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:45,402 INFO L225 Difference]: With dead ends: 1107 [2022-11-25 18:05:45,403 INFO L226 Difference]: Without dead ends: 1041 [2022-11-25 18:05:45,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:05:45,404 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 4225 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:45,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 1867 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 18:05:45,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-11-25 18:05:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 406. [2022-11-25 18:05:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 390 states have (on average 1.2846153846153847) internal successors, (501), 405 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 501 transitions. [2022-11-25 18:05:45,607 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 501 transitions. Word has length 79 [2022-11-25 18:05:45,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:45,607 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 501 transitions. [2022-11-25 18:05:45,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 501 transitions. [2022-11-25 18:05:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 18:05:45,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:45,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:45,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 18:05:45,610 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:45,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash -716120998, now seen corresponding path program 1 times [2022-11-25 18:05:45,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:45,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502555118] [2022-11-25 18:05:45,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:45,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:45,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:45,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502555118] [2022-11-25 18:05:45,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502555118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:45,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:45,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711329042] [2022-11-25 18:05:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:45,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:45,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:45,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:45,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:45,882 INFO L87 Difference]: Start difference. First operand 406 states and 501 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:47,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:47,704 INFO L93 Difference]: Finished difference Result 851 states and 1107 transitions. [2022-11-25 18:05:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-25 18:05:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:47,707 INFO L225 Difference]: With dead ends: 851 [2022-11-25 18:05:47,707 INFO L226 Difference]: Without dead ends: 747 [2022-11-25 18:05:47,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:47,708 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 1203 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:47,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 2092 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-25 18:05:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 402. [2022-11-25 18:05:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 386 states have (on average 1.2849740932642486) internal successors, (496), 401 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 496 transitions. [2022-11-25 18:05:47,876 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 496 transitions. Word has length 80 [2022-11-25 18:05:47,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:47,877 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 496 transitions. [2022-11-25 18:05:47,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 496 transitions. [2022-11-25 18:05:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 18:05:47,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:47,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:47,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-25 18:05:47,878 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash 724648618, now seen corresponding path program 1 times [2022-11-25 18:05:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:47,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287018206] [2022-11-25 18:05:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:48,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:48,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287018206] [2022-11-25 18:05:48,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287018206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:48,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:48,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:48,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000928170] [2022-11-25 18:05:48,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:48,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:48,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:48,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:48,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:48,164 INFO L87 Difference]: Start difference. First operand 402 states and 496 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:49,765 INFO L93 Difference]: Finished difference Result 780 states and 1011 transitions. [2022-11-25 18:05:49,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-25 18:05:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:49,769 INFO L225 Difference]: With dead ends: 780 [2022-11-25 18:05:49,769 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:49,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:49,770 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 2137 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:49,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 1754 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 398. [2022-11-25 18:05:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 382 states have (on average 1.2853403141361257) internal successors, (491), 397 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 491 transitions. [2022-11-25 18:05:49,891 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 491 transitions. Word has length 80 [2022-11-25 18:05:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:49,891 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 491 transitions. [2022-11-25 18:05:49,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 491 transitions. [2022-11-25 18:05:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 18:05:49,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:49,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:49,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-25 18:05:49,893 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:49,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:49,893 INFO L85 PathProgramCache]: Analyzing trace with hash 141903750, now seen corresponding path program 1 times [2022-11-25 18:05:49,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:49,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800197893] [2022-11-25 18:05:49,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:49,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:50,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800197893] [2022-11-25 18:05:50,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800197893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:50,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:50,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:50,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883389651] [2022-11-25 18:05:50,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:50,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:50,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:50,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:50,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:50,144 INFO L87 Difference]: Start difference. First operand 398 states and 491 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:51,721 INFO L93 Difference]: Finished difference Result 777 states and 1007 transitions. [2022-11-25 18:05:51,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:51,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-25 18:05:51,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:51,724 INFO L225 Difference]: With dead ends: 777 [2022-11-25 18:05:51,724 INFO L226 Difference]: Without dead ends: 711 [2022-11-25 18:05:51,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:51,726 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 1885 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:51,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1754 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:05:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-11-25 18:05:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 394. [2022-11-25 18:05:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 378 states have (on average 1.2857142857142858) internal successors, (486), 393 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 486 transitions. [2022-11-25 18:05:51,861 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 486 transitions. Word has length 80 [2022-11-25 18:05:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:51,861 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 486 transitions. [2022-11-25 18:05:51,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 486 transitions. [2022-11-25 18:05:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 18:05:51,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:51,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:51,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-25 18:05:51,862 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1565003779, now seen corresponding path program 1 times [2022-11-25 18:05:51,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:51,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783974579] [2022-11-25 18:05:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:52,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783974579] [2022-11-25 18:05:52,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783974579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:52,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:52,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253150644] [2022-11-25 18:05:52,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:52,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:52,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:52,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:52,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:52,145 INFO L87 Difference]: Start difference. First operand 394 states and 486 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:53,828 INFO L93 Difference]: Finished difference Result 775 states and 1004 transitions. [2022-11-25 18:05:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:53,829 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-25 18:05:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:53,831 INFO L225 Difference]: With dead ends: 775 [2022-11-25 18:05:53,832 INFO L226 Difference]: Without dead ends: 710 [2022-11-25 18:05:53,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:53,833 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 2317 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:53,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 2023 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-11-25 18:05:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 393. [2022-11-25 18:05:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 377 states have (on average 1.2838196286472148) internal successors, (484), 392 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 484 transitions. [2022-11-25 18:05:53,960 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 484 transitions. Word has length 80 [2022-11-25 18:05:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:53,960 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 484 transitions. [2022-11-25 18:05:53,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 484 transitions. [2022-11-25 18:05:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 18:05:53,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:53,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:53,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-25 18:05:53,961 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash -213640481, now seen corresponding path program 1 times [2022-11-25 18:05:53,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:53,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207652936] [2022-11-25 18:05:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:54,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:54,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207652936] [2022-11-25 18:05:54,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207652936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:54,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:54,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:05:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176188190] [2022-11-25 18:05:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:54,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:05:54,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:54,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:05:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:05:54,199 INFO L87 Difference]: Start difference. First operand 393 states and 484 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:55,862 INFO L93 Difference]: Finished difference Result 798 states and 1036 transitions. [2022-11-25 18:05:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:55,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-25 18:05:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:55,865 INFO L225 Difference]: With dead ends: 798 [2022-11-25 18:05:55,866 INFO L226 Difference]: Without dead ends: 722 [2022-11-25 18:05:55,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:05:55,867 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1623 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:55,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 2095 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:05:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-11-25 18:05:56,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 389. [2022-11-25 18:05:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 373 states have (on average 1.2841823056300268) internal successors, (479), 388 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 479 transitions. [2022-11-25 18:05:56,028 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 479 transitions. Word has length 80 [2022-11-25 18:05:56,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:56,029 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 479 transitions. [2022-11-25 18:05:56,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 479 transitions. [2022-11-25 18:05:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 18:05:56,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:56,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:56,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-25 18:05:56,031 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:56,031 INFO L85 PathProgramCache]: Analyzing trace with hash 484129246, now seen corresponding path program 1 times [2022-11-25 18:05:56,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:56,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222045561] [2022-11-25 18:05:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:56,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:56,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222045561] [2022-11-25 18:05:56,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222045561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:56,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:56,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 18:05:56,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291357266] [2022-11-25 18:05:56,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:56,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:05:56,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:56,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:05:56,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:05:56,695 INFO L87 Difference]: Start difference. First operand 389 states and 479 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:59,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:05:59,037 INFO L93 Difference]: Finished difference Result 913 states and 1127 transitions. [2022-11-25 18:05:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:05:59,037 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-25 18:05:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:05:59,040 INFO L225 Difference]: With dead ends: 913 [2022-11-25 18:05:59,040 INFO L226 Difference]: Without dead ends: 845 [2022-11-25 18:05:59,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-11-25 18:05:59,042 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 3021 mSDsluCounter, 3441 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3021 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:05:59,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3021 Valid, 4034 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 18:05:59,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-11-25 18:05:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 385. [2022-11-25 18:05:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 370 states have (on average 1.281081081081081) internal successors, (474), 384 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 474 transitions. [2022-11-25 18:05:59,196 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 474 transitions. Word has length 81 [2022-11-25 18:05:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:05:59,197 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 474 transitions. [2022-11-25 18:05:59,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 474 transitions. [2022-11-25 18:05:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 18:05:59,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:05:59,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:59,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-25 18:05:59,198 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:05:59,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:59,198 INFO L85 PathProgramCache]: Analyzing trace with hash 852624389, now seen corresponding path program 1 times [2022-11-25 18:05:59,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:59,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779517115] [2022-11-25 18:05:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:59,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:59,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:59,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779517115] [2022-11-25 18:05:59,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779517115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:59,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:59,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:05:59,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798493631] [2022-11-25 18:05:59,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:59,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:05:59,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:59,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:05:59,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:05:59,841 INFO L87 Difference]: Start difference. First operand 385 states and 474 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:01,689 INFO L93 Difference]: Finished difference Result 951 states and 1260 transitions. [2022-11-25 18:06:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:06:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-25 18:06:01,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:01,692 INFO L225 Difference]: With dead ends: 951 [2022-11-25 18:06:01,692 INFO L226 Difference]: Without dead ends: 854 [2022-11-25 18:06:01,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:06:01,693 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 2163 mSDsluCounter, 4078 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 5009 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:01,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 5009 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:06:01,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-11-25 18:06:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 352. [2022-11-25 18:06:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 340 states have (on average 1.276470588235294) internal successors, (434), 351 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 434 transitions. [2022-11-25 18:06:01,849 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 434 transitions. Word has length 81 [2022-11-25 18:06:01,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:01,850 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 434 transitions. [2022-11-25 18:06:01,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 434 transitions. [2022-11-25 18:06:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 18:06:01,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:01,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:01,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-25 18:06:01,851 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:01,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:01,852 INFO L85 PathProgramCache]: Analyzing trace with hash 295761583, now seen corresponding path program 1 times [2022-11-25 18:06:01,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:01,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613738237] [2022-11-25 18:06:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:02,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:02,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613738237] [2022-11-25 18:06:02,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613738237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:02,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:02,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-25 18:06:02,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567044998] [2022-11-25 18:06:02,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:02,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 18:06:02,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 18:06:02,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:06:02,983 INFO L87 Difference]: Start difference. First operand 352 states and 434 transitions. Second operand has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:06,280 INFO L93 Difference]: Finished difference Result 866 states and 1117 transitions. [2022-11-25 18:06:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 18:06:06,280 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-25 18:06:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:06,282 INFO L225 Difference]: With dead ends: 866 [2022-11-25 18:06:06,282 INFO L226 Difference]: Without dead ends: 743 [2022-11-25 18:06:06,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=253, Invalid=1007, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 18:06:06,284 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2640 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 8059 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:06,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 8059 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 18:06:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-11-25 18:06:06,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 362. [2022-11-25 18:06:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 350 states have (on average 1.2742857142857142) internal successors, (446), 361 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 446 transitions. [2022-11-25 18:06:06,510 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 446 transitions. Word has length 81 [2022-11-25 18:06:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:06,511 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 446 transitions. [2022-11-25 18:06:06,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 446 transitions. [2022-11-25 18:06:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 18:06:06,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:06,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:06,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-25 18:06:06,512 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:06,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash 487027968, now seen corresponding path program 1 times [2022-11-25 18:06:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:06,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311093644] [2022-11-25 18:06:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:07,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:07,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311093644] [2022-11-25 18:06:07,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311093644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:07,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:07,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 18:06:07,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571635325] [2022-11-25 18:06:07,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:07,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:06:07,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:07,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:06:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:06:07,206 INFO L87 Difference]: Start difference. First operand 362 states and 446 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:09,259 INFO L93 Difference]: Finished difference Result 849 states and 1056 transitions. [2022-11-25 18:06:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:06:09,259 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-25 18:06:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:09,261 INFO L225 Difference]: With dead ends: 849 [2022-11-25 18:06:09,261 INFO L226 Difference]: Without dead ends: 781 [2022-11-25 18:06:09,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:06:09,262 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 2422 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 3592 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:09,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 3592 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:06:09,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-11-25 18:06:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 358. [2022-11-25 18:06:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 347 states have (on average 1.2708933717579252) internal successors, (441), 357 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 441 transitions. [2022-11-25 18:06:09,422 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 441 transitions. Word has length 81 [2022-11-25 18:06:09,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:09,422 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 441 transitions. [2022-11-25 18:06:09,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 441 transitions. [2022-11-25 18:06:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 18:06:09,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:09,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:09,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-25 18:06:09,424 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:09,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1444511641, now seen corresponding path program 1 times [2022-11-25 18:06:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:09,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583701018] [2022-11-25 18:06:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:09,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:09,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583701018] [2022-11-25 18:06:09,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583701018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:09,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:09,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:06:09,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962814377] [2022-11-25 18:06:09,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:06:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:09,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:06:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:06:09,997 INFO L87 Difference]: Start difference. First operand 358 states and 441 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:11,741 INFO L93 Difference]: Finished difference Result 887 states and 1160 transitions. [2022-11-25 18:06:11,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 18:06:11,742 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-11-25 18:06:11,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:11,744 INFO L225 Difference]: With dead ends: 887 [2022-11-25 18:06:11,744 INFO L226 Difference]: Without dead ends: 710 [2022-11-25 18:06:11,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:06:11,746 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 3062 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:11,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 1480 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:06:11,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-11-25 18:06:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 245. [2022-11-25 18:06:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 238 states have (on average 1.2563025210084033) internal successors, (299), 244 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 299 transitions. [2022-11-25 18:06:11,924 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 299 transitions. Word has length 81 [2022-11-25 18:06:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:11,924 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 299 transitions. [2022-11-25 18:06:11,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 299 transitions. [2022-11-25 18:06:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 18:06:11,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:11,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:11,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-25 18:06:11,925 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2090211926, now seen corresponding path program 1 times [2022-11-25 18:06:11,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:11,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517774941] [2022-11-25 18:06:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:12,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:12,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517774941] [2022-11-25 18:06:12,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517774941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:12,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:12,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:06:12,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952670844] [2022-11-25 18:06:12,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:12,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:06:12,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:12,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:06:12,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:06:12,179 INFO L87 Difference]: Start difference. First operand 245 states and 299 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:13,717 INFO L93 Difference]: Finished difference Result 595 states and 785 transitions. [2022-11-25 18:06:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:06:13,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-11-25 18:06:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:13,719 INFO L225 Difference]: With dead ends: 595 [2022-11-25 18:06:13,719 INFO L226 Difference]: Without dead ends: 513 [2022-11-25 18:06:13,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:06:13,720 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1147 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:13,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 1496 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:06:13,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-11-25 18:06:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 245. [2022-11-25 18:06:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 238 states have (on average 1.2521008403361344) internal successors, (298), 244 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 298 transitions. [2022-11-25 18:06:13,862 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 298 transitions. Word has length 82 [2022-11-25 18:06:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:13,862 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 298 transitions. [2022-11-25 18:06:13,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 298 transitions. [2022-11-25 18:06:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 18:06:13,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:13,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:13,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-25 18:06:13,863 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:13,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:13,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1292332739, now seen corresponding path program 1 times [2022-11-25 18:06:13,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:13,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095269467] [2022-11-25 18:06:13,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:13,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:14,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:14,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095269467] [2022-11-25 18:06:14,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095269467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:14,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:14,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:06:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203017729] [2022-11-25 18:06:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:14,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:06:14,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:14,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:06:14,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:06:14,153 INFO L87 Difference]: Start difference. First operand 245 states and 298 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:15,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:15,208 INFO L93 Difference]: Finished difference Result 368 states and 455 transitions. [2022-11-25 18:06:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:06:15,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-11-25 18:06:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:15,209 INFO L225 Difference]: With dead ends: 368 [2022-11-25 18:06:15,209 INFO L226 Difference]: Without dead ends: 361 [2022-11-25 18:06:15,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:06:15,210 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1257 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:15,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1018 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:06:15,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2022-11-25 18:06:15,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 245. [2022-11-25 18:06:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 238 states have (on average 1.2478991596638656) internal successors, (297), 244 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 297 transitions. [2022-11-25 18:06:15,372 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 297 transitions. Word has length 82 [2022-11-25 18:06:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:15,372 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 297 transitions. [2022-11-25 18:06:15,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 297 transitions. [2022-11-25 18:06:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 18:06:15,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:15,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:15,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-25 18:06:15,374 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:15,374 INFO L85 PathProgramCache]: Analyzing trace with hash 9426797, now seen corresponding path program 1 times [2022-11-25 18:06:15,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:15,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148573546] [2022-11-25 18:06:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:16,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:16,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148573546] [2022-11-25 18:06:16,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148573546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:16,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:16,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 18:06:16,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843002240] [2022-11-25 18:06:16,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:16,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:06:16,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:16,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:06:16,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:06:16,031 INFO L87 Difference]: Start difference. First operand 245 states and 297 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:17,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:17,932 INFO L93 Difference]: Finished difference Result 556 states and 698 transitions. [2022-11-25 18:06:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:06:17,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-11-25 18:06:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:17,934 INFO L225 Difference]: With dead ends: 556 [2022-11-25 18:06:17,934 INFO L226 Difference]: Without dead ends: 552 [2022-11-25 18:06:17,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:06:17,935 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1634 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:17,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 2129 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:06:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2022-11-25 18:06:18,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 241. [2022-11-25 18:06:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 235 states have (on average 1.2468085106382978) internal successors, (293), 240 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 293 transitions. [2022-11-25 18:06:18,065 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 293 transitions. Word has length 82 [2022-11-25 18:06:18,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:18,065 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 293 transitions. [2022-11-25 18:06:18,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 293 transitions. [2022-11-25 18:06:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 18:06:18,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:18,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:18,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-25 18:06:18,067 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:18,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1017799404, now seen corresponding path program 1 times [2022-11-25 18:06:18,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:18,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036152633] [2022-11-25 18:06:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:18,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:18,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:18,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036152633] [2022-11-25 18:06:18,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036152633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:18,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:18,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:06:18,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684697756] [2022-11-25 18:06:18,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:18,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:06:18,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:18,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:06:18,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:06:18,628 INFO L87 Difference]: Start difference. First operand 241 states and 293 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:20,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:20,078 INFO L93 Difference]: Finished difference Result 626 states and 817 transitions. [2022-11-25 18:06:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:06:20,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-11-25 18:06:20,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:20,080 INFO L225 Difference]: With dead ends: 626 [2022-11-25 18:06:20,080 INFO L226 Difference]: Without dead ends: 499 [2022-11-25 18:06:20,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:06:20,081 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 1078 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:20,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 3399 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:06:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-11-25 18:06:20,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 172. [2022-11-25 18:06:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 169 states have (on average 1.242603550295858) internal successors, (210), 171 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 210 transitions. [2022-11-25 18:06:20,250 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 210 transitions. Word has length 82 [2022-11-25 18:06:20,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:20,250 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 210 transitions. [2022-11-25 18:06:20,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 210 transitions. [2022-11-25 18:06:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:06:20,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:20,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:20,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-25 18:06:20,251 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:20,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash 31269841, now seen corresponding path program 1 times [2022-11-25 18:06:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:20,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663987581] [2022-11-25 18:06:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:20,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:20,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663987581] [2022-11-25 18:06:20,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663987581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:20,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:20,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-25 18:06:20,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839399701] [2022-11-25 18:06:20,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:20,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 18:06:20,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:06:20,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:06:20,915 INFO L87 Difference]: Start difference. First operand 172 states and 210 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:22,958 INFO L93 Difference]: Finished difference Result 667 states and 924 transitions. [2022-11-25 18:06:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 18:06:22,959 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-11-25 18:06:22,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:22,960 INFO L225 Difference]: With dead ends: 667 [2022-11-25 18:06:22,960 INFO L226 Difference]: Without dead ends: 661 [2022-11-25 18:06:22,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-11-25 18:06:22,961 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 1398 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 3498 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:22,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3498 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:06:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-11-25 18:06:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 166. [2022-11-25 18:06:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.2439024390243902) internal successors, (204), 165 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 204 transitions. [2022-11-25 18:06:23,097 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 204 transitions. Word has length 84 [2022-11-25 18:06:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:23,097 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 204 transitions. [2022-11-25 18:06:23,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2022-11-25 18:06:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:06:23,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:23,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:23,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-25 18:06:23,098 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:23,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:23,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1365227640, now seen corresponding path program 1 times [2022-11-25 18:06:23,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:23,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600675317] [2022-11-25 18:06:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:23,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:24,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:24,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600675317] [2022-11-25 18:06:24,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600675317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:24,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:24,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-11-25 18:06:24,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444809085] [2022-11-25 18:06:24,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:24,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 18:06:24,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:24,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 18:06:24,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:06:24,770 INFO L87 Difference]: Start difference. First operand 166 states and 204 transitions. Second operand has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:30,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:30,961 INFO L93 Difference]: Finished difference Result 666 states and 877 transitions. [2022-11-25 18:06:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-25 18:06:30,962 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-11-25 18:06:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:30,963 INFO L225 Difference]: With dead ends: 666 [2022-11-25 18:06:30,963 INFO L226 Difference]: Without dead ends: 658 [2022-11-25 18:06:30,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=369, Invalid=1887, Unknown=0, NotChecked=0, Total=2256 [2022-11-25 18:06:30,964 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 1616 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 4485 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 8785 SdHoareTripleChecker+Invalid, 4503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:30,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 8785 Invalid, 4503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 4485 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 18:06:30,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-11-25 18:06:31,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 185. [2022-11-25 18:06:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.2404371584699454) internal successors, (227), 184 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 227 transitions. [2022-11-25 18:06:31,149 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 227 transitions. Word has length 84 [2022-11-25 18:06:31,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:31,150 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 227 transitions. [2022-11-25 18:06:31,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 26 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 227 transitions. [2022-11-25 18:06:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 18:06:31,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:31,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:31,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-25 18:06:31,151 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:31,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:31,151 INFO L85 PathProgramCache]: Analyzing trace with hash 601058947, now seen corresponding path program 1 times [2022-11-25 18:06:31,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:31,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095879871] [2022-11-25 18:06:31,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:31,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:31,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:31,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095879871] [2022-11-25 18:06:31,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095879871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:31,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:31,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:06:31,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015987187] [2022-11-25 18:06:31,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:31,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:06:31,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:31,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:06:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:06:31,746 INFO L87 Difference]: Start difference. First operand 185 states and 227 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:33,219 INFO L93 Difference]: Finished difference Result 422 states and 565 transitions. [2022-11-25 18:06:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:06:33,220 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-11-25 18:06:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:33,221 INFO L225 Difference]: With dead ends: 422 [2022-11-25 18:06:33,221 INFO L226 Difference]: Without dead ends: 407 [2022-11-25 18:06:33,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:06:33,222 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 914 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:33,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 2287 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:06:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-25 18:06:33,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 154. [2022-11-25 18:06:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.2483660130718954) internal successors, (191), 153 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2022-11-25 18:06:33,342 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 85 [2022-11-25 18:06:33,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:33,342 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2022-11-25 18:06:33,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2022-11-25 18:06:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-25 18:06:33,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:33,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:33,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-25 18:06:33,344 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:33,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:33,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1569723451, now seen corresponding path program 1 times [2022-11-25 18:06:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:33,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210278676] [2022-11-25 18:06:33,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:33,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:33,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210278676] [2022-11-25 18:06:33,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210278676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:33,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:33,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:33,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408570322] [2022-11-25 18:06:33,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:33,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:33,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:33,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:33,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:33,493 INFO L87 Difference]: Start difference. First operand 154 states and 191 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:35,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:35,122 INFO L93 Difference]: Finished difference Result 794 states and 1141 transitions. [2022-11-25 18:06:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:06:35,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-11-25 18:06:35,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:35,124 INFO L225 Difference]: With dead ends: 794 [2022-11-25 18:06:35,124 INFO L226 Difference]: Without dead ends: 730 [2022-11-25 18:06:35,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:06:35,125 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1784 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:35,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 1142 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-11-25 18:06:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 216. [2022-11-25 18:06:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3162790697674418) internal successors, (283), 215 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 283 transitions. [2022-11-25 18:06:35,377 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 283 transitions. Word has length 111 [2022-11-25 18:06:35,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:35,377 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 283 transitions. [2022-11-25 18:06:35,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 283 transitions. [2022-11-25 18:06:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:35,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:35,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:35,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-25 18:06:35,379 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:35,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1004312690, now seen corresponding path program 1 times [2022-11-25 18:06:35,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:35,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295914379] [2022-11-25 18:06:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:35,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:35,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295914379] [2022-11-25 18:06:35,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295914379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:35,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:35,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:35,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492618846] [2022-11-25 18:06:35,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:35,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:35,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:35,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:35,529 INFO L87 Difference]: Start difference. First operand 216 states and 283 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:37,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:37,116 INFO L93 Difference]: Finished difference Result 910 states and 1311 transitions. [2022-11-25 18:06:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:06:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:37,125 INFO L225 Difference]: With dead ends: 910 [2022-11-25 18:06:37,125 INFO L226 Difference]: Without dead ends: 784 [2022-11-25 18:06:37,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:06:37,127 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1195 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:37,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 884 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-11-25 18:06:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 340. [2022-11-25 18:06:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 339 states have (on average 1.3805309734513274) internal successors, (468), 339 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 468 transitions. [2022-11-25 18:06:37,802 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 468 transitions. Word has length 113 [2022-11-25 18:06:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:37,803 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 468 transitions. [2022-11-25 18:06:37,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 468 transitions. [2022-11-25 18:06:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:37,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:37,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:37,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-25 18:06:37,804 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:37,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1515443221, now seen corresponding path program 1 times [2022-11-25 18:06:37,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:37,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617166995] [2022-11-25 18:06:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:37,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:37,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617166995] [2022-11-25 18:06:37,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617166995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:37,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:37,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:06:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254635412] [2022-11-25 18:06:37,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:37,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:06:37,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:37,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:06:37,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:06:37,890 INFO L87 Difference]: Start difference. First operand 340 states and 468 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:38,916 INFO L93 Difference]: Finished difference Result 814 states and 1166 transitions. [2022-11-25 18:06:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:06:38,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:38,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:38,918 INFO L225 Difference]: With dead ends: 814 [2022-11-25 18:06:38,918 INFO L226 Difference]: Without dead ends: 564 [2022-11-25 18:06:38,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:06:38,919 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 110 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:38,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 305 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:06:38,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-11-25 18:06:39,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2022-11-25 18:06:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 557 states have (on average 1.398563734290844) internal successors, (779), 557 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 779 transitions. [2022-11-25 18:06:39,843 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 779 transitions. Word has length 113 [2022-11-25 18:06:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:39,844 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 779 transitions. [2022-11-25 18:06:39,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 779 transitions. [2022-11-25 18:06:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:39,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:39,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:39,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-25 18:06:39,845 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:39,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1448949709, now seen corresponding path program 1 times [2022-11-25 18:06:39,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:39,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482348857] [2022-11-25 18:06:39,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:40,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:40,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482348857] [2022-11-25 18:06:40,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482348857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:40,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:40,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:40,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466962356] [2022-11-25 18:06:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:40,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:40,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:40,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:40,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:40,086 INFO L87 Difference]: Start difference. First operand 558 states and 779 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:41,153 INFO L93 Difference]: Finished difference Result 1028 states and 1463 transitions. [2022-11-25 18:06:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:06:41,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:41,155 INFO L225 Difference]: With dead ends: 1028 [2022-11-25 18:06:41,155 INFO L226 Difference]: Without dead ends: 560 [2022-11-25 18:06:41,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:06:41,156 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 174 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:41,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 551 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:41,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-25 18:06:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 558. [2022-11-25 18:06:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 557 states have (on average 1.3949730700179532) internal successors, (777), 557 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 777 transitions. [2022-11-25 18:06:42,151 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 777 transitions. Word has length 113 [2022-11-25 18:06:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:42,151 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 777 transitions. [2022-11-25 18:06:42,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 777 transitions. [2022-11-25 18:06:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:42,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:42,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:42,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-25 18:06:42,153 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1415505294, now seen corresponding path program 1 times [2022-11-25 18:06:42,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:42,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958585943] [2022-11-25 18:06:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:42,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:42,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958585943] [2022-11-25 18:06:42,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958585943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:42,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:42,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713970683] [2022-11-25 18:06:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:42,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:42,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:42,264 INFO L87 Difference]: Start difference. First operand 558 states and 777 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:45,696 INFO L93 Difference]: Finished difference Result 1852 states and 2657 transitions. [2022-11-25 18:06:45,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:06:45,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:45,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:45,699 INFO L225 Difference]: With dead ends: 1852 [2022-11-25 18:06:45,699 INFO L226 Difference]: Without dead ends: 1617 [2022-11-25 18:06:45,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:06:45,701 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1053 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:45,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 975 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-11-25 18:06:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 908. [2022-11-25 18:06:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 907 states have (on average 1.4167585446527011) internal successors, (1285), 907 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1285 transitions. [2022-11-25 18:06:47,454 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1285 transitions. Word has length 113 [2022-11-25 18:06:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:47,454 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1285 transitions. [2022-11-25 18:06:47,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1285 transitions. [2022-11-25 18:06:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:47,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:47,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:47,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-11-25 18:06:47,456 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1051419534, now seen corresponding path program 1 times [2022-11-25 18:06:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:47,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737862651] [2022-11-25 18:06:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:47,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:47,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737862651] [2022-11-25 18:06:47,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737862651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:47,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:47,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:47,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120766380] [2022-11-25 18:06:47,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:47,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:47,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:47,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:47,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:47,578 INFO L87 Difference]: Start difference. First operand 908 states and 1285 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:51,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:51,684 INFO L93 Difference]: Finished difference Result 2085 states and 2996 transitions. [2022-11-25 18:06:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:06:51,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:51,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:51,687 INFO L225 Difference]: With dead ends: 2085 [2022-11-25 18:06:51,688 INFO L226 Difference]: Without dead ends: 1850 [2022-11-25 18:06:51,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:06:51,689 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1069 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:51,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 996 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:51,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-11-25 18:06:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1141. [2022-11-25 18:06:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1140 states have (on average 1.424561403508772) internal successors, (1624), 1140 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1624 transitions. [2022-11-25 18:06:53,924 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1624 transitions. Word has length 113 [2022-11-25 18:06:53,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:06:53,924 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1624 transitions. [2022-11-25 18:06:53,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1624 transitions. [2022-11-25 18:06:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-25 18:06:53,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:06:53,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:53,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-25 18:06:53,926 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:06:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:53,926 INFO L85 PathProgramCache]: Analyzing trace with hash -310960526, now seen corresponding path program 1 times [2022-11-25 18:06:53,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:53,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267317427] [2022-11-25 18:06:53,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:53,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:54,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:54,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267317427] [2022-11-25 18:06:54,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267317427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:54,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:54,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:06:54,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178989429] [2022-11-25 18:06:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:54,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:54,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:54,034 INFO L87 Difference]: Start difference. First operand 1141 states and 1624 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:58,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:06:58,071 INFO L93 Difference]: Finished difference Result 2318 states and 3335 transitions. [2022-11-25 18:06:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:06:58,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-11-25 18:06:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:06:58,074 INFO L225 Difference]: With dead ends: 2318 [2022-11-25 18:06:58,074 INFO L226 Difference]: Without dead ends: 2083 [2022-11-25 18:06:58,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:06:58,075 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1171 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:06:58,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 1019 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:06:58,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2022-11-25 18:07:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1374. [2022-11-25 18:07:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1373 states have (on average 1.4297159504734158) internal successors, (1963), 1373 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1963 transitions. [2022-11-25 18:07:00,876 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1963 transitions. Word has length 113 [2022-11-25 18:07:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:07:00,876 INFO L495 AbstractCegarLoop]: Abstraction has 1374 states and 1963 transitions. [2022-11-25 18:07:00,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1963 transitions. [2022-11-25 18:07:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 18:07:00,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:07:00,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:00,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-25 18:07:00,879 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:07:00,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1879024262, now seen corresponding path program 1 times [2022-11-25 18:07:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:00,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822049590] [2022-11-25 18:07:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:07:01,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:01,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822049590] [2022-11-25 18:07:01,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822049590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:01,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:01,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:07:01,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923927614] [2022-11-25 18:07:01,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:01,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:07:01,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:01,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:07:01,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:01,017 INFO L87 Difference]: Start difference. First operand 1374 states and 1963 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:06,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:07:06,334 INFO L93 Difference]: Finished difference Result 3854 states and 5543 transitions. [2022-11-25 18:07:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:07:06,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-11-25 18:07:06,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:07:06,341 INFO L225 Difference]: With dead ends: 3854 [2022-11-25 18:07:06,341 INFO L226 Difference]: Without dead ends: 2570 [2022-11-25 18:07:06,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:06,344 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 89 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:07:06,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:07:06,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-11-25 18:07:11,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2480. [2022-11-25 18:07:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 2479 states have (on average 1.4292053247277128) internal successors, (3543), 2479 states have internal predecessors, (3543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3543 transitions. [2022-11-25 18:07:11,772 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3543 transitions. Word has length 114 [2022-11-25 18:07:11,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:07:11,773 INFO L495 AbstractCegarLoop]: Abstraction has 2480 states and 3543 transitions. [2022-11-25 18:07:11,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3543 transitions. [2022-11-25 18:07:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 18:07:11,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:07:11,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:11,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-11-25 18:07:11,775 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:07:11,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash -658426381, now seen corresponding path program 1 times [2022-11-25 18:07:11,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:11,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379315683] [2022-11-25 18:07:11,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:07:11,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:11,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379315683] [2022-11-25 18:07:11,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379315683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:11,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:11,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:07:11,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871715406] [2022-11-25 18:07:11,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:11,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:07:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:11,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:07:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:11,912 INFO L87 Difference]: Start difference. First operand 2480 states and 3543 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:07:23,387 INFO L93 Difference]: Finished difference Result 7084 states and 10129 transitions. [2022-11-25 18:07:23,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:07:23,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-11-25 18:07:23,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:07:23,397 INFO L225 Difference]: With dead ends: 7084 [2022-11-25 18:07:23,397 INFO L226 Difference]: Without dead ends: 4694 [2022-11-25 18:07:23,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:23,400 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 82 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:07:23,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:07:23,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4694 states. [2022-11-25 18:07:32,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4694 to 4516. [2022-11-25 18:07:32,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4516 states, 4515 states have (on average 1.4212624584717608) internal successors, (6417), 4515 states have internal predecessors, (6417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4516 states to 4516 states and 6417 transitions. [2022-11-25 18:07:32,607 INFO L78 Accepts]: Start accepts. Automaton has 4516 states and 6417 transitions. Word has length 115 [2022-11-25 18:07:32,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:07:32,607 INFO L495 AbstractCegarLoop]: Abstraction has 4516 states and 6417 transitions. [2022-11-25 18:07:32,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4516 states and 6417 transitions. [2022-11-25 18:07:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 18:07:32,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:07:32,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:32,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-25 18:07:32,609 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:07:32,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1836152402, now seen corresponding path program 1 times [2022-11-25 18:07:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:32,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364152979] [2022-11-25 18:07:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:07:32,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:32,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364152979] [2022-11-25 18:07:32,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364152979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:32,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:32,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:07:32,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052420208] [2022-11-25 18:07:32,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:32,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:07:32,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:32,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:07:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:32,726 INFO L87 Difference]: Start difference. First operand 4516 states and 6417 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:07:53,177 INFO L93 Difference]: Finished difference Result 13016 states and 18443 transitions. [2022-11-25 18:07:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:07:53,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-11-25 18:07:53,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:07:53,198 INFO L225 Difference]: With dead ends: 13016 [2022-11-25 18:07:53,198 INFO L226 Difference]: Without dead ends: 8590 [2022-11-25 18:07:53,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:07:53,206 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 75 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:07:53,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:07:53,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2022-11-25 18:08:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 8236. [2022-11-25 18:08:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8236 states, 8235 states have (on average 1.4077717061323618) internal successors, (11593), 8235 states have internal predecessors, (11593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:08:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8236 states to 8236 states and 11593 transitions. [2022-11-25 18:08:11,212 INFO L78 Accepts]: Start accepts. Automaton has 8236 states and 11593 transitions. Word has length 116 [2022-11-25 18:08:11,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:11,212 INFO L495 AbstractCegarLoop]: Abstraction has 8236 states and 11593 transitions. [2022-11-25 18:08:11,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:08:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 8236 states and 11593 transitions. [2022-11-25 18:08:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-25 18:08:11,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:11,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:08:11,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-11-25 18:08:11,214 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:08:11,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:11,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1618075135, now seen corresponding path program 1 times [2022-11-25 18:08:11,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:11,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079114457] [2022-11-25 18:08:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:11,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:08:11,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:11,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079114457] [2022-11-25 18:08:11,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079114457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:11,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:11,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:08:11,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010310223] [2022-11-25 18:08:11,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:11,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:08:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:11,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:08:11,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:08:11,310 INFO L87 Difference]: Start difference. First operand 8236 states and 11593 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:08:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:43,455 INFO L93 Difference]: Finished difference Result 23824 states and 33355 transitions. [2022-11-25 18:08:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:08:43,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-11-25 18:08:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:43,480 INFO L225 Difference]: With dead ends: 23824 [2022-11-25 18:08:43,480 INFO L226 Difference]: Without dead ends: 15678 [2022-11-25 18:08:43,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:08:43,493 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 65 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:43,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 405 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:08:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15678 states. [2022-11-25 18:09:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15678 to 14972. [2022-11-25 18:09:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14972 states, 14971 states have (on average 1.3894195444526083) internal successors, (20801), 14971 states have internal predecessors, (20801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:09:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14972 states to 14972 states and 20801 transitions. [2022-11-25 18:09:13,766 INFO L78 Accepts]: Start accepts. Automaton has 14972 states and 20801 transitions. Word has length 117 [2022-11-25 18:09:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:09:13,766 INFO L495 AbstractCegarLoop]: Abstraction has 14972 states and 20801 transitions. [2022-11-25 18:09:13,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:09:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 14972 states and 20801 transitions. [2022-11-25 18:09:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 18:09:13,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:09:13,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:09:13,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-25 18:09:13,767 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:09:13,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:09:13,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1304740322, now seen corresponding path program 1 times [2022-11-25 18:09:13,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:09:13,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458150620] [2022-11-25 18:09:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:09:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:09:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:09:14,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:09:14,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458150620] [2022-11-25 18:09:14,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458150620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:09:14,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:09:14,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:09:14,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113657191] [2022-11-25 18:09:14,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:09:14,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:09:14,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:09:14,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:09:14,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:09:14,101 INFO L87 Difference]: Start difference. First operand 14972 states and 20801 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:10:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:10:11,773 INFO L93 Difference]: Finished difference Result 26382 states and 36426 transitions. [2022-11-25 18:10:11,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:10:11,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-11-25 18:10:11,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:10:11,810 INFO L225 Difference]: With dead ends: 26382 [2022-11-25 18:10:11,810 INFO L226 Difference]: Without dead ends: 26380 [2022-11-25 18:10:11,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:10:11,816 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 309 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:10:11,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1008 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:10:11,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26380 states. [2022-11-25 18:10:45,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26380 to 15452. [2022-11-25 18:10:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15452 states, 15451 states have (on average 1.3711086661057537) internal successors, (21185), 15451 states have internal predecessors, (21185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:10:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15452 states to 15452 states and 21185 transitions. [2022-11-25 18:10:45,850 INFO L78 Accepts]: Start accepts. Automaton has 15452 states and 21185 transitions. Word has length 118 [2022-11-25 18:10:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:10:45,850 INFO L495 AbstractCegarLoop]: Abstraction has 15452 states and 21185 transitions. [2022-11-25 18:10:45,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:10:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 15452 states and 21185 transitions. [2022-11-25 18:10:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 18:10:45,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:10:45,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:10:45,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-25 18:10:45,851 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:10:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:10:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1757610562, now seen corresponding path program 1 times [2022-11-25 18:10:45,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:10:45,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80570272] [2022-11-25 18:10:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:10:45,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:10:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:10:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:10:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:10:46,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80570272] [2022-11-25 18:10:46,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80570272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:10:46,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:10:46,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:10:46,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41671055] [2022-11-25 18:10:46,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:10:46,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:10:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:10:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:10:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:10:46,005 INFO L87 Difference]: Start difference. First operand 15452 states and 21185 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:11:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:11:51,765 INFO L93 Difference]: Finished difference Result 29464 states and 40551 transitions. [2022-11-25 18:11:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:11:51,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-11-25 18:11:51,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:11:51,801 INFO L225 Difference]: With dead ends: 29464 [2022-11-25 18:11:51,802 INFO L226 Difference]: Without dead ends: 26662 [2022-11-25 18:11:51,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:11:51,809 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1174 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:11:51,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 898 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:11:51,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26662 states. [2022-11-25 18:12:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26662 to 18252. [2022-11-25 18:12:36,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18252 states, 18251 states have (on average 1.3711577447811079) internal successors, (25025), 18251 states have internal predecessors, (25025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:12:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18252 states to 18252 states and 25025 transitions. [2022-11-25 18:12:36,078 INFO L78 Accepts]: Start accepts. Automaton has 18252 states and 25025 transitions. Word has length 118 [2022-11-25 18:12:36,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:12:36,078 INFO L495 AbstractCegarLoop]: Abstraction has 18252 states and 25025 transitions. [2022-11-25 18:12:36,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:12:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18252 states and 25025 transitions. [2022-11-25 18:12:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-25 18:12:36,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:12:36,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:12:36,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-11-25 18:12:36,080 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:12:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:12:36,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1602725625, now seen corresponding path program 1 times [2022-11-25 18:12:36,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:12:36,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011378543] [2022-11-25 18:12:36,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:12:36,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:12:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:12:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:12:36,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:12:36,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011378543] [2022-11-25 18:12:36,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011378543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:12:36,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:12:36,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:12:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991684838] [2022-11-25 18:12:36,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:12:36,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:12:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:12:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:12:36,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:12:36,232 INFO L87 Difference]: Start difference. First operand 18252 states and 25025 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:13:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:13:47,208 INFO L93 Difference]: Finished difference Result 47296 states and 64675 transitions. [2022-11-25 18:13:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:13:47,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-11-25 18:13:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:13:47,251 INFO L225 Difference]: With dead ends: 47296 [2022-11-25 18:13:47,251 INFO L226 Difference]: Without dead ends: 29134 [2022-11-25 18:13:47,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:13:47,267 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 93 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:13:47,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:13:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29134 states. [2022-11-25 18:14:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29134 to 27468. [2022-11-25 18:14:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27468 states, 27467 states have (on average 1.3561364546546766) internal successors, (37249), 27467 states have internal predecessors, (37249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27468 states to 27468 states and 37249 transitions. [2022-11-25 18:14:57,161 INFO L78 Accepts]: Start accepts. Automaton has 27468 states and 37249 transitions. Word has length 119 [2022-11-25 18:14:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:57,161 INFO L495 AbstractCegarLoop]: Abstraction has 27468 states and 37249 transitions. [2022-11-25 18:14:57,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:14:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27468 states and 37249 transitions. [2022-11-25 18:14:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-25 18:14:57,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:57,165 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:14:57,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-25 18:14:57,166 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:14:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1955512847, now seen corresponding path program 1 times [2022-11-25 18:14:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:57,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472965417] [2022-11-25 18:14:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:14:57,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:14:57,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472965417] [2022-11-25 18:14:57,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472965417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:57,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:57,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:14:57,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577786460] [2022-11-25 18:14:57,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:57,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:14:57,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:14:57,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:14:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:14:57,348 INFO L87 Difference]: Start difference. First operand 27468 states and 37249 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:16:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:16:07,427 INFO L93 Difference]: Finished difference Result 54848 states and 74403 transitions. [2022-11-25 18:16:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:16:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-11-25 18:16:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:16:07,466 INFO L225 Difference]: With dead ends: 54848 [2022-11-25 18:16:07,466 INFO L226 Difference]: Without dead ends: 27470 [2022-11-25 18:16:07,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:16:07,486 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:16:07,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 379 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:16:07,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27470 states. [2022-11-25 18:17:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27470 to 27468. [2022-11-25 18:17:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27468 states, 27467 states have (on average 1.340991007390687) internal successors, (36833), 27467 states have internal predecessors, (36833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:17:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27468 states to 27468 states and 36833 transitions. [2022-11-25 18:17:11,991 INFO L78 Accepts]: Start accepts. Automaton has 27468 states and 36833 transitions. Word has length 149 [2022-11-25 18:17:11,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:17:11,991 INFO L495 AbstractCegarLoop]: Abstraction has 27468 states and 36833 transitions. [2022-11-25 18:17:11,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:17:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 27468 states and 36833 transitions. [2022-11-25 18:17:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-25 18:17:11,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:17:11,996 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:17:11,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-11-25 18:17:11,996 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-11-25 18:17:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:11,996 INFO L85 PathProgramCache]: Analyzing trace with hash 15080616, now seen corresponding path program 1 times [2022-11-25 18:17:11,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:11,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552209177] [2022-11-25 18:17:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:17:12,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:17:12,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552209177] [2022-11-25 18:17:12,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552209177] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:17:12,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968957550] [2022-11-25 18:17:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:17:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:17:12,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:17:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b2e436-2f64-47ad-8dfa-d834f7729f13/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:17:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:12,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 18:17:12,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:17:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:17:14,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:17:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:17:15,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968957550] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:17:15,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:17:15,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2022-11-25 18:17:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465934623] [2022-11-25 18:17:15,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:17:15,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-25 18:17:15,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:17:15,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-25 18:17:15,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:17:15,983 INFO L87 Difference]: Start difference. First operand 27468 states and 36833 transitions. Second operand has 29 states, 29 states have (on average 13.724137931034482) internal successors, (398), 28 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)